import turtle
turtle.pensize(2)
turtle.circle(10)
turtle.circle(20)
turtle.circle(30)
turtle.circle(40)
turtle.circle(80)
turtle.circle(160)
#from turtle import *
# turtle.color('red','red')
# begin_file()
# for i in range(5):
#     fd(200)
#     rt(144)
# end_fill()
# done()
